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Solubility Product & Common‑Ion Effect for NEET

Practice Solubility Product and common‑ion effect MCQs for NEET aspirants with stepwise solutions, concise chapter revision and related ChemNexa mock tests.

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Solubility Product and Common Ion Effect Revision Guide for NEET Chemistry

Solubility Product and Common Ion Effect is part of NEET Chemistry preparation. A strong revision plan should combine concept review with exam-style questions so that definitions, relationships, calculations and exceptions are recalled accurately.

Use the sample MCQs on this page to check understanding, then attempt the related ChemNexa tests for broader practice. When an answer is wrong, review the explanation and return to the underlying concept before attempting another set.

Important Topics

  • Core definitions and principles
  • Important equations or relationships
  • Common applications and examples
  • Frequently confused concepts
  • Exam-style multiple-choice questions
  • Error review and targeted revision

Revision Tip

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What to practise in Solubility Product and Common Ion Effect

Concept Revision

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Exam-style MCQs

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Performance Practice

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Top 20 Solubility Product and Common Ion Effect MCQs with Answers

These public questions are selected from the exact Solubility Product and Common Ion Effect chapter, screened for topic relevance and deduplicated so repeated versions of the same MCQ are not shown publicly. Use them for quick revision, then sign in to attempt the complete test experience with more questions, results and performance review.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

1. Which principle is essential when solving a quantitative problem in Solubility Product and Common Ion Effect?

  • A. Ignoring limiting conditions
  • B. Conservation of mass and charge where applicable
  • C. Ignoring units
  • D. Assuming all coefficients are unity
Answer: B
Explanation: Mass and charge conservation are fundamental.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

2. At equilibrium in a reversible system related to Solubility Product and Common Ion Effect, which statement is correct?

  • A. Forward and reverse rates are equal
  • B. All molecular motion stops
  • C. Reactant and product concentrations must be equal
  • D. The catalyst is consumed
Answer: A
Explanation: Dynamic equilibrium has equal forward and reverse rates.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

3. For a spontaneous process at constant T and P in a Solubility Product and Common Ion Effect context, ΔG is:

  • A. Positive
  • B. Always zero
  • C. Always equal to ΔH
  • D. Negative
Answer: D
Explanation: Spontaneity at constant T,P requires ΔG<0.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

4. Which statement about a catalyst in Solubility Product and Common Ion Effect is correct?

  • A. It changes reaction enthalpy
  • B. It is always consumed
  • C. It lowers the activation barrier without changing K at fixed T
  • D. It changes ΔG°
Answer: C
Explanation: Catalysts affect kinetics, not equilibrium thermodynamics.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

5. Oxidation in a redox step relevant to Solubility Product and Common Ion Effect means:

  • A. Only gain of hydrogen
  • B. Loss of electrons
  • C. Gain of electrons
  • D. No oxidation-number change
Answer: B
Explanation: Oxidation is electron loss.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

6. Reduction in a redox step relevant to Solubility Product and Common Ion Effect means:

  • A. Gain of electrons
  • B. Loss of electrons
  • C. Increase in oxidation number
  • D. Only loss of hydrogen
Answer: A
Explanation: Reduction is electron gain.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

7. A Lewis acid encountered in Solubility Product and Common Ion Effect is an:

  • A. Electron-pair donor
  • B. Proton acceptor only
  • C. Anion only
  • D. Electron-pair acceptor
Answer: D
Explanation: Lewis acids accept electron pairs.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

8. A Lewis base encountered in Solubility Product and Common Ion Effect is an:

  • A. Cation only
  • B. Oxidising agent only
  • C. Electron-pair donor
  • D. Electron-pair acceptor
Answer: C
Explanation: Lewis bases donate electron pairs.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

9. Which is a state function useful in Solubility Product and Common Ion Effect?

  • A. Path length
  • B. Enthalpy
  • C. Heat
  • D. Work
Answer: B
Explanation: Enthalpy is path independent.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

10. The relation between standard Gibbs energy and equilibrium constant is:

  • A. ΔG°=-RT lnK
  • B. ΔG°=RT lnK
  • C. ΔG°=-KRT
  • D. ΔG°=RT/K
Answer: A
Explanation: The standard thermodynamic relation is ΔG°=-RT lnK.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

11. For a first-order kinetic process in Solubility Product and Common Ion Effect, half-life equals:

  • A. k/0.693
  • B. 1/(k[A]0)
  • C. [A]0/(2k)
  • D. 0.693/k
Answer: D
Explanation: First-order t1/2=0.693/k.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

12. The Arrhenius equation is:

  • A. k=EaRT
  • B. k=A/RT
  • C. k=Ae^(-Ea/RT)
  • D. k=Ae^(Ea/RT)
Answer: C
Explanation: Arrhenius equation relates k to activation energy and temperature.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

13. For an ideal dilute solution relevant to Solubility Product and Common Ion Effect, molarity is:

  • A. Moles solvent per litre
  • B. Moles solute per litre solution
  • C. Moles solute per kg solvent
  • D. Grams solute per mole solvent
Answer: B
Explanation: M=n/V(L).

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

14. For a weak acid, a larger Ka generally indicates:

  • A. A stronger acid
  • B. A weaker acid
  • C. No ionisation
  • D. A stronger conjugate acid
Answer: A
Explanation: Larger Ka means greater ionisation.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

15. At 25°C, pH+pOH for aqueous solution is:

  • A. 7
  • B. 1
  • C. 0
  • D. 14
Answer: D
Explanation: pH+pOH=pKw=14 at 25°C.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

16. For an electrochemical cell, oxidation occurs at:

  • A. Salt bridge
  • B. Electrolyte only
  • C. Anode
  • D. Cathode
Answer: C
Explanation: Oxidation occurs at the anode.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

17. For an electrochemical cell, reduction occurs at:

  • A. Wire
  • B. Cathode
  • C. Anode
  • D. Salt bridge
Answer: B
Explanation: Reduction occurs at the cathode.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

18. A positive E°cell implies:

  • A. ΔG°<0
  • B. ΔG°>0
  • C. K<1 necessarily
  • D. No spontaneous reaction
Answer: A
Explanation: ΔG°=-nFE°.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

19. Higher bond order generally corresponds to:

  • A. Longer weaker bond
  • B. Longer stronger bond
  • C. No bond-length effect
  • D. Shorter stronger bond
Answer: D
Explanation: Higher bond order strengthens and shortens bonds.

NEET Chemistry · Solubility Product and Common Ion Effect · Very Very Hard

20. A nucleophile in an organic reaction related to Solubility Product and Common Ion Effect is:

  • A. Always positively charged
  • B. Always a radical
  • C. Electron-pair donor
  • D. Electron-pair acceptor
Answer: C
Explanation: Nucleophiles donate electron pairs.

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Solubility Product and Common Ion Effect Practice Tests

Solubility Product and Common Ion Effect Frequently Asked Questions

How should I prepare Solubility Product and Common Ion Effect for NEET Chemistry?

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